<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
    <title>echarts-map</title>
  </head>
  <body>
    <div id="app"></div>
  </body>
  <style>
    html {
      font-family: "Avenir", Helvetica, Arial, sans-serif;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      height: 100vh;
      width: 100vw;
      display: flex;
      justify-content: center;
      background: linear-gradient(90deg, #020728, #08286a, #020728);
    }
  </style>
</html>
